SUMMARY

• 14+ years of experienced software professional wif considerable team leading experience
• Strong C,C ++, Python coding skills on Unix/Linux Environment as well as on windows,
• Good working experience on IPC mechanisms
• Good SQL skills on Oracle, Sybase, MySQL and SQL Server 2005
• Good Experience on Pro*C wif Oracle Database
• Professional level noledge on Go language
• Well versed wif the Secure communication between a server and client wif SSL/TLS wif various cryptography suites
• Used SSL/TLS wif X509 certificates
• Good understanding on OpenGL, OpenSSL, Public and Private certificates
• Developed programs using Go and well versed wif debugging and testing Go programs
• Worked on Free Ware Database Driver on Unix Environment and having Very good working noledge on SQL and PL/SQL
• Good Experience on JAVA, J2EE, Hibernate and spring.
• Good noledge of Jenkins Continuous integration Tool
• Good noledge on Security and related Protocols like SSL, PGP Encryption
• Very Good at Web services, SOAP and Restful
• Good experience on Data security algorithms
• Very Good at XML parsers and good working noledge XML using C++
• Worked on Visual Studio 2005 & 2008 IDEs
• Strong debugging skills using GDB on Unix/Linux environment Visual Studio on windows
• Used memory leak detecting tools like Val grind and Very Good at debugging Core files and resolving the virtual memory issues wif ease
• Good at Unit testing and User Acceptance testing
• Good Experience at build process and Make files and Good at Unix/Linux File Systems
• Written SHELL scripts to automate the process and also PERL Scripts for quantifications and having Good working Knowledge on AWK, GREP and SED tools
• Good Working Experience on PYTHON Scripting
• Good noledge on Unix Sockets and multithreading and inter process communication mechanisms, Good Knowledge on TCP/IP, SNMP and UDP Socket programming
• Multithreading wif Pthreads and threads using C++11 as well
• Good experience on developing the Test suite
• Well Versed wif Client Server and Distributed Technologies
• Very Good at VI/VIM editor for code development and shell and Perl scripting
• Good at Design patterns and Data structures, algorithms including STL
• Good experience using UML
• Hands - on experience using Singleton and Factory methods
• Having Very Good experience on Telecom domain like rating and billing and provisioning as well
• Well versed wif Software development life cycle (SDLC) and Agile Process
• Good working experience on VB6, C#.Net, VB.Net, ADO.Net,ASP.Net, Core Java, VB.Net Web services
• Good understanding of asset management and asset protection systems
• Good working experience on webservers IIS, Tomcat, JBOSS and Web logic
• Worked on production environment, provided on call support to AT&T Cingular telecom rating and billing system
• Good experience working on Tote system / Pari-mutuel betting
• Strong Telecom domain noledge on Rating and Billing as well as on provisioning
• Expert Level POS domain and payment gate way noledge, using in the current project
• Excellent problem solving skills and worked under highly dynamic environment
• Having Good Communication skills and Good Team spirit
• Committed and hardworking professional and learning new technologies wif ease and provided best possible solutions wifin the timelines
• Followed best practices while implementing the projects.

TECHNICAL SKILLS

OPERATING SYSTEMS: UNIX (HPUX, IBM AIX), Windows2000, XP; Solaris 5.8, Linux, Mac, Suse Linux

LANGUAGES: C, C++, SQL, Shell Scripting, Perl scripting, Python Scripting, Core java, J2EE, Map Reduce, Pig

DATABASES: Oracle11g, Sybase; SQL Server 2005, and Hbase

WEB RELATED: Groovy and Grails, HTML, XML, Java scripting, Web Services, Servlets, JSP, JSF2.2, Prime Faces, Ajax, Jboss and Tomcat

TOOLS: & UTILITIES: GDB, RCS, CodeWarrior, UML, SSL, HTTPS, Eclipse, Maven, SVN, CVS, VSS, TFS

PROFESSIONAL EXPERIENCE

Confidential, Lewisville, TX

Senior C++ Developer

Responsibilities:

• Requirements gathering from the business and modeling team
• Transformed the requirements into technical specifications
• Created model input files from the Business requirement documents
• Technical architecture of the module at high level and as well as low level
• Implemented the AWM Quantitative models using C++11 standards on Linux environment
• Build the binaries and executables and run the jobs on Hadoop cluster wif Spark aggregators
• Developed Perl, Bash scripts for Data processing and automate regression tests wif python
• Handled the Devops build system wif CI/CD using Jenkins
• Attain the business noledge and experience on CCAR and CECL regulatory models on Mortgage and Asset Wealth Management.

Environment: C++11, Linux, Python, Perl, Bash, Jira, Git, Bitbucket, Hadoop, Spark, Confluence

Confidential, Sugar Land, TX

Senior C++ Consultant

Responsibilities:

• Design and develop IOT based application using C++, Ubuntu and Debian
• Develop algorithms to validate and process 4G mobile data request and responses
• Implement logic to process JSON requests and responses
• Developing and modify cross platform applications on Ubuntu using Oracle Virtual Box
• Developing installation script using bash shell
• Cross compile the C++ application using CMake and GNU tool chain
• Writing unit tests using Google Mock testing framework
• Developed testing scenarios using Python and robot framework
• Creating Docker images and deploy on Microsoft cloud using Azure IOT Edge interfaces
• Going forward, application will be migrate to various hardware platforms.
• Ensure issues are identified, tracked, reported on and resolved in a timely manner; escalate and retain ownership of all open/unresolved issues

Environment: C, C++, Python, STL, Linux, CMake, Multi-threading, Socket programming, TCP/IP, Ubuntu 14, Debian 9, Kontron hardware, Azure Cloud, Azure IOT Hub, Azure IOT Edge runtime, Docker containers, kuburnetes, Sierra Wireless Modem, GMock testing framework

Confidential, Irving, TX

Senior C++ Consultant

Responsibilities:

• Designed and developed code to read data for Pin pad from Database
• Implemented C++ code to send line items to Network
• Developed C++ code to process Transaction Data and parse FID messages related to EMV
• Update the Media class data to include EMV tags and also display messages from the down stream systems.
• Changed the logic to send Line Items from POS to Pin Pad
• Implemented logic for EMV card removal messages(red bar and yellow)
• Changed the logic to correct POS journal display wif right values
• Fixed many legacy issues on POS
• Implemented new logic to change the transaction begin and End
• Corrected the code to avoid POS crash dump
• Debugged the POS code for potential issues
• Provided new logic to process gift card transactions
• Implemented logging functionality
• Supported QA team on defects and analyzed many defects and fixed them.
• Written all possible test cases for a fix
• Unit testing of the bug fixes
• Used TFS for defect analysis and provide analysis and fix details
• Followed the water fall and little bit Agile on implementing the project

Environment: C, C++, C#, STL, Linux, WinCE, Multi-threading, Socket programming, TCP/IP, Visual Studio 2005/2015, TFS, Oracle Database, NCR 7402, 7403 hard wares, VeriFone Pin pad, Ingenico pin pads

Confidential, Dallas TX

Senior C++ Consultant

Responsibilities:

• Developed new message formats for new POS terminals
• Developed POS simulator using OpenGL for Credit server testing
• Used OpenGL for Robocop state maintenance
• Modified the payment gateway for the new clients
• Developed new features using TCP sockets
• Developed test echo server and client to migrate SSLv3 to TLS1.2
• Implemented TLS1.2 encrypted communication wif POS to Payment gateway
• Down loaded and installed X.509 certificates from CA
• Converted the certificate chains wif openssl1(openssl1.0.1g)
• Developed web pages using JSF2.2, Prime faces, HTML5,CSS3 and Ajax
• Written the Python scripts to validate the data fields
• Created Shell and Python scripts to automate the build process
• Used List, Vector, Map, Pair containers from STL
• Generate reports using python scripting
• Performed impact analysis and code reviews
• Implemented secure access layers like SSL, HTTPS etc.
• Debug the code for core dumps, using GDB debugger
• Written all possible test cases for a fix
• Unit testing of the bug fixes using CPP Unit
• Used svn for c and C++ code and Git for java code
• Followed the Agile scrum on implementing the project

Environment: C,C++, STL, SuSe Linux 11.x, Shell, Multi-threading, Socket programming,TCP/IP, SSL/TLS, OpenGL 3.0,PKI(X.509),Python Scripting, GDB 6.8, Java 7,JSF2.2,Prime Faces,Wildfly(Jboss),Ajax, HTML5, CSS3,SVN, Git, Fitnesse, Maven4, NetBeans 8.x, VI Editor, Jira

Confidential, Southlake TX

Senior C++ Consultant

Responsibilities:

• New features implementation using C++
• Application process the xml requests and provides the xml response
• Developed new features using TCP sockets
• Used smart pointers like shared ptr, scoped ptr, from boost
• SML structure is based on XSD
• Jira issues Analysis and estimation
• Code fixes for customer issues on need basis
• Written the Python scripts to validate the data fields
• Performing the benchmark tests after the code changes
• Build the server and deployed in test systems for soak tests
• Created Shell and Python scripts to automate the build process
• Used List, Vector, Map, Pair containers from STL
• Generate reports using python scripting
• Data presentation as graphs using Python Matplotlib
• Performed impact analysis and code reviews
• Implemented secure access layers like SSL,HTTPS etc.
• Debug the code for core dumps, using GDB debugger
• Written all possible test cases for a fix
• Unit testing of the bug fixes using CPP Unit
• Check in the code to Git, compiled by Ant using Jenkins
• Configuration changes for the carriers to not to skip from creating local fare markets
• Followed the Agile scrum on implementing the project
• Multithreading using Boost library

Environment: C++, C++11 threads, STL,Red Hat Linux 5.2, Shell, PERL, XML, XSD,Multi-threading, Socket programming,TCP/IP, Python Scripting, Django, GDB 6.8, Jenkins, Ant, VI Editor, Git, Jira, CPP Unit, Boost

Confidential

C++ Technical Lead

Responsibilities:

• Writing the C++ programs for the Tote converts like site data, session data and report control files for a given site
• Provide the technical halp to the team members and guide the team on converts
• Understood the Tote engine Product by Creating the Architecture diagram.
• Used UML for class diagrams and object diagrams
• Created the low level design for new features
• New features implementation using C/C++
• Implemented inter process communication(IPC) through shared memory and mmap
• Implemented semaphores, pipes and messages queues
• Written the Python scripts to validate the data fields
• Created Python scripts to generate the reports
• Created SHELL and Python scripts to automate the build process
• Performed impact analysis and code reviews
• Debug the code for core dumps, using GDB debugger
• Created PYTHON Scripts to replicate the Production as well as UAT Systems
• Modified some of the existing PYTHON Scripts
• Tote is High Available C++ engine
• Highly secure system wif RSA security for Data protection
• Used binary files for data encryption
• Good at using Kerberos security algorithms
• Developed REST APIs for bet pools, bet type information
• Deployed REST APIs on WSo2 server
• Consumed REST APIs in Java application
• Tote maintains communication wif other devices through TCP and SNMP
• Communicates wif point of sale terminals(POS)
• Collects the data of tickets sold from the terminals windows
• Process the tickets data and send back the results, user can check their tickets amount
• For High Availability Replication has been maintained
• One server goes down another two servers slave and clone will process the requests
• Involved in production up gradations
• Prepared checklists for production upgrades
• Test the converts by comparing the results wif the field software
• Deliver the tote converts wif in the due date wif quality
• Fixing the Field issues in the Tote
• Written all possible test cases for a fix
• Unit testing of the bug fixes
• Taking care of Production Upgrades at Data Centers

Environment: C, C++, Linux (Centos 5.3), TCP/IP,STL, SNMP,Multi-threading, Pthreads,Singleton, Factory,UML, MySQL, Shell, PERL, Python Scripting, GDB 6.8, VI Editor, ), JAVA, J2EE, Servlets, Shell, Java script, GWT, AJAX, JQUERY, Hibernate, spring, Eclipse, MySQL, Restful, Tomcat Server CVS, Mantis, Bugzilla

Confidential

Responsibilities:

• Participated in requirements gathering and Analysis
• Created High level Design, Eliminated duplicate Oracle database
• Build source code using Pro*C,C++
• Debugged the code to understand the project
• Rewrite the Pro*C application in core Java
• Analyze the source code for memory leaks
• Verified the code for bottle neck using gprof profiler
• Created Python Scripts for Quantification
• Created Python Scripts for process Automation
• Implemented Data base connection and data retrieval APIs using Pro* C
• Developed a tool using Core JAVA and JDBC for updating Oracle Data base from a file and from other database as well
• Developed SQL queries for Data insertion, updating and retrieval
• Created PL/SQL stored procedures and functions
• Created Update Triggers using PL/SQL
• Maintain the source code in CVS repository
• Debugged code to cross verify the data flow using GDB
• Extensively used the Val grind tool to check the code for memory
• Good at using array list, Map
• Database tuning and query optimization
• Improved the performance of the application
• Experienced using JPROFILER to find out the bottle necks in the application
• Prepared test cases and unit tested the application
• Implemented Log4j to maintain system log.
• Developed application using Eclipse for rapid development.
• Maintain the source code in CVS repository
• Debugged the application on Eclipse IDE
• Preparing Test cases
• Code reviews
• Unit Testing

Environment: C++, Core Java, Pythonl, Shell scripting UNIX (HP-UX), STL,GDB debugger,Eclipse,Maven, RCS, Bugzilla, Pro*C, SQL,PL/SQL, JDBC, Oracle database

Confidential

Responsibilities:

• Resolving day to day production issues
• Writing Perl scripts for quantification
• Provided the fixes for repeating issues using C++
• Wrote PERL Scripts for automated Report generation.
• Implemented new feature enhancements using Java
• Changed the server side business rules using JSP and Servlets
• Wrote SOAP web services
• Consumed web services wif WSDL and XML
• Taken care the Maintenance windows by bringing down the Web logic server and other web applications
• Provided On call production support on rotation basis
• Adding new roamer carriers
• Developing ASL scripts on GUI client to implement some business rules

Environment: C++, HPUX, and Red hat Linux, Perl, JSP, Servlets, Core Java, JBOSS 5.0 and Web logic

Confidential

Individual Contributor

Responsibilities:

• Analyze the requirements
• Involved in full life cycle of the project(SDLC)
• Followed waterfall development method
• Owned few sub systems
• Handled the owned sub systems independently
• OWM Subsystem deals wif the Order management system which deals wif complete protection
• Complete protection system deals wif customer assets protection
• Asset management has been done through the other sub systems
• Created low level Design and implemented using C#.Net, VB.Net, ASP.Net and ADO.Net.
• Designed and created Order status web application using ASP.Net and Java scripting
• Designed the web application to track the order processing using HTML, CSS and Java scripting
• Order tracking web application gets updated orders from most of the provision sub systems
• Created SQL queries to retrieve and update Data in Oracle data base
• Used Win32 API Driver calls in VB6 code
• Experienced using Visual source safe for project repository
• Used eclipse for Java code development
• Good experience using JUNIT for testing
• Handled the Fiber optics subsystems which is being developed using Java and Servlets and JSP and web services
• Developed database tool using java and JDBC to automate the data inserts into Oracle Database
• Developed Stored procedures using SQL and PL/SQL
• Debugged the code using VS2005
• Preparing Test cases
• Conducted Code reviews and peer reviews
• Performed Unit Testing
• Build the software for release
• Promoting to production

Environment: C++,Java,Suse Linux, Windows 2008,eclipse, Oracle,C#.Net, VB6,Win32, VB.Net, ASP.Net,HTML,CSS,Java Scripting, ADO.Net, Web services, SQL Server 2005, SQL,PL/SQL,Visual Studio 2005, and Lotus Notes